THE FRONTAL LOBE: responsible for fine motor movements and thinking. Cerebral Cortex: folded and grey. This is the region of the brain responsible for higher cognitive thinking. The biologicalapproach has two assumptions. They are:

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General Adaption Syndrome.Selyes research such on rats lead him to conclude that when animals are exposed tostress, they display a universal response.There are three stages that lead to illness, thus leading stress to illness.Stage one: Alarm Reaction.The hypothalamus in the brain triggers the production of adrenaline from the adrenalglands. Adrenaline causes sensations that are often labelled an `adrenaline rush' ­increased heart rate, sweaty palms, fast breathing and so on.Stage two: Resistance.…read more

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Psychosurgery.History of psychosurgery:psychosurgery goes way back to the ancient practise of trephining. Holes of roughly4cm in diameter were cut in the skull of a living person to release evil spirits.In the 1940s and 1950s, a new form of psychosurgery was pioneered by Egas Moniz.He heard about research where monkeys with aggressive tendencies were subduedafter their frontal lobes were removed. He developed a similar operation for humansand was awarded the Nobel Prize.…read more

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More recently, neurosurgeons have developed far more precise ways of surgicallytreating mental disorders such as OCD, bipolar disorder, depression and eatingdisorders that fail to respond in psychotherapy or other forms of treatment.Neurosurgeons nowadays use brain scanning, such as MRI scans to locate exact pointswithin the brain. This procedure is used with anaesthetic.in OCD for example, a circuit linking the frontal lobe to other structures in the brain suchas the thalamus appear more active than usual.…read more